Home / 48,507.12-72,746.10-18,917.01

Finding the Fourth Proportional to 48,507.12, 72,746.10 and 18,917.01

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Solution

The fourth proportional to 48,507.12, 72,746.10 and 18,917.01 is: 28,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.12 : 72,746.10 = 18,917.01 : x
  2. Step 2: Convert to fraction form
    48,507.12/72,746.10 = 18,917.01/x
  3. Step 3: Cross multiply
    48,507.12x = 72,746.10 × 18,917.01
  4. Step 4: Simplify right side
    48,507.12x = 1,376,138,701.16
  5. Step 5: Solve for x
    x = 1,376,138,701.16/48,507.12
  6. Step 6: Final answer
    x = 28,369.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.